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Finding the Fourth Proportional to 180,671.78, 271,032.55 and 60,738.04

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Solution

The fourth proportional to 180,671.78, 271,032.55 and 60,738.04 is: 91,115.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,671.78 : 271,032.55 = 60,738.04 : x
  2. Step 2: Convert to fraction form
    180,671.78/271,032.55 = 60,738.04/x
  3. Step 3: Cross multiply
    180,671.78x = 271,032.55 × 60,738.04
  4. Step 4: Simplify right side
    180,671.78x = 16,461,985,863.20
  5. Step 5: Solve for x
    x = 16,461,985,863.20/180,671.78
  6. Step 6: Final answer
    x = 91,115.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.